40215511332 has 18 divisors (see below), whose sum is σ = 101655875958. Its totient is φ = 13405170432.

The previous prime is 40215511327. The next prime is 40215511351. The reversal of 40215511332 is 23311551204.

It can be written as a sum of positive squares in only one way, i.e., 39910450176 + 305061156 = 199776^2 + 17466^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 40215511296 and 40215511305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 558548733 + ... + 558548804.

Almost surely, 2^40215511332 is an apocalyptic number.

It is an amenable number.

40215511332 is an abundant number, since it is smaller than the sum of its proper divisors (61440364626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40215511332 is a wasteful number, since it uses less digits than its factorization.

40215511332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117097547 (or 1117097542 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 40215511332 in words is "forty billion, two hundred fifteen million, five hundred eleven thousand, three hundred thirty-two".